A rational number becomes $$\frac{1}{4}$$ when 7 is subtracted from the numerator and 3 is added to the denominator. The same number becomes 2 when 1 is added to the numerator and is subtracted from the denominator. The number is

A

$$\frac{3}{5}$$

B

$$\frac{7}{9}$$

C

$$\frac{9}{11}$$

D

$$\frac{11}{13}$$